5NP-S6S9Z-12

GROUP
NUMBER
HYBRID
DATE
18-HC-003
MODEL(S)
NOVEMBER, 2018
Technical Service Bulletin
Sonata HEV
(YF HEV)
Tucson Fuel Cell
(LM FCEV)
BMS UPDATE AFTER REPLACING LITHIUM BATTERY PACK
SUBJECT:
Description:
This bulletin provides information related to a BMS (Battery Management System) ECU software
update that must be performed after replacing a high voltage Lithium Battery in a Sonata HEV (YF
HEV) or Tucson Fuel Cell Electric Vehicle (LM FCEV). It must be performed after any one of the
following HEV Lithium Battery service parts are installed:
Vehicle
Sonata HEV (YF HEV)
Lithium Battery Service Part Number
37511-4R200
37511-4R201
37511-4R202
Tucson Fuel Cell Electric Vehicle (LM FCEV)
37501-4W100
NOTE:
 All Lithium Battery replacement service part cases require Techline approval and part order will
be placed on manual allocation by Mobis.
 Dealer Parts Department cannot order Lithium Battery.
Applicable Vehicle:
 2011-2015MY Sonata Hybrid (YF HEV)
 2015-2017MY Tucson Fuel Cell Electric Vehicle (LM FCEV)
GDS Information:
System Selection: BMS
Event #
472
473
Description
YF HEV - BMS PARAMETER UPDATE(AFTER CHANGING THE
BATTERY CELL)
LM FCEV - BMS PARAMETER UPDATE (AFTER CHANGING THE
BATTERY CELL)
Warranty Information:
Model
YF HEV
LM FCEV
Op Code
Operation
Op Time
37513F02
BMS UPGRADE
0.2 M/H
Causal
Part
37513-4R000
Nature
Code
Causal
Code
I3A
ZZ3
37513-4W000
Circulate To: Service Manager, Warranty Manager, Service Advisors, Technicians, Fleet Repair
SUBJECT:
:
BMS UPDATE AFTER REPLACING LITHIUM BATTERY PACK
ROM ID Table:
NOTICE
You must initially perform the GDS ECU Update in Auto Mode.
 If the ECU Update starts but then fails in Auto Mode, perform the update in Manual Mode to
recover.
!
WARNING
GDS Vehicle Battery Voltage Warning:
If voltage is below 12 volts as per the below GDS warning, then select Back and
operate the vehicle in Ready mode for at least 20 minutes to ensure an adequate
battery state of charge for reliable update results. Turn ignition back on, and then retry
the ECU update again.
TSB #: 18-HC-003
Page 2 of 3
SUBJECT:
SUBJECT:
BMS UPDATE AFTER REPLACING LITHIUM BATTERY PACK
Service Procedure:
1. Perform GDS software update:


Refer to TSB 15-GI-001 for the detailed tablet-based Mobile GDS ECU update
procedures.
Refer to TSB 15-GI-002 for the detailed PC-based GDS ECU update
procedures.
2. Check for Diagnostic Trouble Codes in the ALL menus and erase any DTC.
3. Erase the DTC in the BlueLink system according to TSB 12-BE-005-2.
4. Confirm normal vehicle operation.
Manual Mode Password:
TSB #: 18-HC-003
Page 3 of 3
SUBJECT: